Owl limpets (Lottia gigantea)

Mean number by island

A figure showing the average number of owl limpets (Lottia gigantea) across four islands in Channel Islands National Marine Sanctuary from 2000 to 2014. Monitoring data from Channel Islands National Park Rocky Intertidal Community Monitoring program

A figure showing the average number of owl limpets (Lottia gigantea) across four islands in Channel Islands National Marine Sanctuary from 2000 to 2014. Monitoring data from Channel Islands National Park Rocky Intertidal Community Monitoring program

Click for Details Blue lines represent mean number at each island pooled across fixed plots and error bars were constructed using one standard error from the mean. Red lines represent the cumulative mean. For more information, consult Figure App.F.13.3a in the CINMS 2016 Condition Report.

Size frequency by island

A figure showing the annual size distribution of owl limpets (Lottia gigantea) across four islands in Channel Islands National Marine Sanctuary from 2000 to 2014. Monitoring data from Channel Islands National Park Rocky Intertidal Community Monitoring program

A figure showing the annual size distribution of owl limpets (Lottia gigantea) across four islands in Channel Islands National Marine Sanctuary from 2000 to 2014. Monitoring data from Channel Islands National Park Rocky Intertidal Community Monitoring program

Click for Details Box plots for annual size frequency distributions of L. gigantea at each island. Black lines represent mean sizes at each island pooled across fixed plots and sites. Red lines represent the cumulative mean. For more information, consult Figure App.F.13.3b in the CINMS 2016 Condition Report.